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- debit
h = 5 m
g = 10 m/s²
d = 2 cm → r = 1 cm = 10⁻² m
luas lubang pancar
A = π r²
kecepatan pancar
v = √2gh
debit
Q = A v
= π r² √2gh
= π · 10⁻² · √(2 · 10 · 5)
= π · 10⁻² · 10
= 0,1 π ≈ 0,314 m³/s ← jawaban